# exportSecret(context:outputByteCount:) Exports a secret given domain-separation context and the desired output length. ``` func exportSecret(context: Context, outputByteCount: Int) throws -> SymmetricKey where Context : DataProtocol ``` ## Parameters `context` Application-specific information providing context on the use of this key. `outputByteCount` The desired length of the exported secret. ## Return Value The exported secret. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)